Inventor · disambiguated record
Roger W. Fenstermaker
Also filed as: FENSTERMAKER ROGER W
6 granted patents·150 citations·filing 1976–1991
82Inventor score
Files withPHILLIPS PETROLEUM CO6
Top patents by PatentIndex Score
6 records- 0194US4370150AEngine performance operating on field gas as engine fuelPHILLIPS PETROLEUM CO·Filed 1981·Granted Jan 25, 1983·85 cites·9 claims
- 0286US5264187ATreatment of hydrocarbonsPHILLIPS PETROLEUM CO·Filed 1991·Granted Nov 23, 1993·37 cites·2 claims
- 0380US5082987ATreatment of hydrocarbonsPHILLIPS PETROLEUM CO·Filed 1990·Granted Jan 21, 1992·24 cites·4 claims
- 0429US4090847ADetermining fire retardancyPHILLIPS PETROLEUM CO·Filed 1976·Granted May 23, 1978·3 cites·13 claims
- 0527US4575011AReducing ash content of lignitePHILLIPS PETROLEUM CO·Filed 1984·Granted Mar 11, 1986·0 cites·14 claims
- 0627US4328995AProduction of lignite from underground depositsPHILLIPS PETROLEUM CO·Filed 1980·Granted May 11, 1982·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →